We provide home improvements, roofing, siding, gutters, replacement windows, and custom trim. Call 716-433-2451 today!. Stockton Roofing & Siding is a roofing and siding contractor in Gasport, NY serving Buffalo, Niagara County and Erie County since 1993. We are a fully licensed and insured in all of Western New York. Our professional roofers and siding